Week #18 – SQL

SQL stands for structured query language, a high level language for querying relational databases, extracting information.

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Week #16 – MapReduce

MapReduce is a programming framework to distribute the computing load of very large data and problems to multiple computers.

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Week #15 – Hadoop

As data processing requirements grew beyond the capacities of even large computers, distributed computing systems were developed to spread the load to multiple computers.

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